OrganizationServiceContextExtensions.IsAttached Kaedah (OrganizationServiceContext, TSource, Expression, TTarget)

Applies To: Microsoft Dynamics CRM 2015, Microsoft Dynamics CRM Online

Determines whether a relationship is attached and therefore being tracked by the OrganizationServiceContext.

Ruang nama: Microsoft.Xrm.Client
Perhimpunan: Microsoft.Xrm.Client (dalam Microsoft.Xrm.Client.dll)

Dim context As OrganizationServiceContext
Dim source As TSource
Dim propertySelector As Expression(Of Func(Of TSource, IEnumerable(Of TTarget)))
Dim target As TTarget
Dim returnValue As Boolean

returnValue = OrganizationServiceContextExtensions.IsAttached(context, source, propertySelector, target)

public static bool IsAttached<TSource,TTarget> (
	OrganizationServiceContext context,
	TSource source,
	Expression<Func<TSource,IEnumerable<TTarget>>> propertySelector,
	TTarget target
) where TSource : Entity where TTarget : Entity



The source entity.


The target entity.



Type: OrganizationServiceContext. The service context.


Type: TSource. The source entity instance.



Type: TTarget. The target entity instance.

Nilai Pulangan

Type: Boolean

This is an extension to the core IsAttached method.

Sebarang ahli statik awam (Shared dalam Visual Basic) jenis ini adalah selamat rentetan. Dalam apa jua keadaan, ahli tidak dijamin selamat rentetan.

Development Platforms

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

Target Platforms

Windows Server 2008,Windows Server 2012,Windows 7

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